201044344005 has 128 divisors (see below), whose sum is σ = 378602864640. Its totient is φ = 101018776320.

The previous prime is 201044343971. The next prime is 201044344049. The reversal of 201044344005 is 500443440102.

It is a happy number.

It is not a de Polignac number, because 201044344005 - 2¹¹ = 201044341957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 201044344005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 63001960 + ... + 63005150.

It is an arithmetic number, because the mean of its divisors is an integer number (2957834880).

Almost surely, 2^201044344005 is an apocalyptic number.

It is an amenable number.

201044344005 is a deficient number, since it is larger than the sum of its proper divisors (177558520635).

201044344005 is a wasteful number, since it uses less digits than its factorization.

201044344005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528 (or 3522 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 201044344005 its reverse (500443440102), we get a palindrome (701487784107).

The spelling of 201044344005 in words is "two hundred one billion, forty-four million, three hundred forty-four thousand, five".